Translate: New Bubble UX (for the view toolkit)

chrome/browser/tab_contents/language_state.h

Index: chrome/browser/tab_contents/language_state.h
diff --git a/chrome/browser/tab_contents/language_state.h b/chrome/browser/tab_contents/language_state.h
index b5ac059c29f4c0e1c831066b95c5ce5fe1c230f4..7fd9e72ea3ab835617d4e736f1e7130147447ecf 100644
--- a/chrome/browser/tab_contents/language_state.h
+++ b/chrome/browser/tab_contents/language_state.h
@@ -12,6 +12,7 @@
 namespace content {
 class NavigationController;
 struct LoadCommittedDetails;
+class WebContents;

[Takashi Toyoshima, 2013/10/08 14:54:09]

sort these names (line 13:14 were wrong originally)

[hajimehoshi, 2013/10/10 11:07:10]

Done.

 }
 
 // This class holds the language state of the current page.
@@ -25,6 +26,15 @@ struct LoadCommittedDetails;
 
 class LanguageState {
  public:
+  class Observer {
+   public:
+    virtual void OnIsTranslateSuggestedChanged(
+        content::WebContents* source) = 0;
+
+   protected:
+    virtual ~Observer() {}
+  };
+
   explicit LanguageState(content::NavigationController* nav_controller);
   ~LanguageState();
 
@@ -71,6 +81,15 @@ class LanguageState {
   // navigation.
   bool in_page_navigation() const { return in_page_navigation_; }
 
+  bool is_translate_suggested() const { return is_translate_suggested_; }

[Takashi Toyoshima, 2013/10/08 14:54:09]

To be consistent, translation_suggested() and SetTranslationSuggested() look
better.

[hajimehoshi, 2013/10/10 11:07:10]

Done.

+  void SetIsTranslateSuggested(bool value);
+
+  // Whether the current page's language is different from the previous
+  // language.
+  bool IsLanguageChanged() const;
+
+  void set_observer(Observer* observer) { observer_ = observer; }
+
  private:
   // The languages this page is in. Note that current_lang_ is different from
   // original_lang_ when the page has been translated.
@@ -109,6 +128,11 @@ class LanguageState {
   // Whether the current navigation is a fragment navigation (in page).
   bool in_page_navigation_;
 
+  // Whether the user is encouraged to use Translate.
+  bool is_translate_suggested_;
+
+  Observer* observer_;
+
   DISALLOW_COPY_AND_ASSIGN(LanguageState);
 };